44 results about "Difficult airway" patented technology

A system and method for endotracheal intubation of airways are disclosed. A malleable stylet having a distal end and a proximal end, a charged coupled device (CCD) at the distal end and a transmitter, at or near the proximal end or connected to the proximal end of the stylet with connectors, transmits video to a visualization device comprising a receiver means, a display means, and a display support adapted to be worn on an operator in a position so that the operator can view the display with one eye while simultaneously viewing the airway directly. The display support is typically worn on the head of a physician. A second display can be worn by a student or observer. In some instances, the transmitter means and receiver means are wireless.

The invention relates to a trachea cannula device suitable for bronchoscope operation emptysis rescue and difficult airways. The trachea cannula device comprises a trachea cannula, a trachea cannula inner core and a guide wire, wherein the trachea cannula and the trachea cannula inner core have radians; a respirator pipeline interface is tightly inserted into the upper end of the trachea cannula; the trachea cannula inner core is sleeved into a trachea cannula cavity of a corresponding inner diameter; the lower section of the trachea cannula inner core extends out of the lower end of the trachea cannula; a hollow guide wire tube which is about 2.5 millimeters in diameter passes through the tube cavity of the cannula inner core; the lower end of the guide wire tube is connected and communicated with a guide wire head; and the lower end of the guide wire tube passes through an interface plug, and is communicated with the outside. The device disclosed by the invention can be used for completing tracheal intubation quickly and effectively for complicated airway massive haemorrhage during bronchoscope operation, and is suitable for an anaesthetist to perform endermic reverse tracheal intubation on difficult airways simultaneously. In an intubation process, operation is easy, convenient, rapid and accurate, and wounds are small. By means of trachea cannulas of different specifications, the device is suitable for infants to adults. The device is particularly suitable for being prepared for hospitals of all stages for performing bronchoscope operation and / or general anesthesia surgery.

A method and apparatus for determining the optimal endotracheal tube size for the intubation of a patient based upon both optimal tube length and optimal tube diameter which are determined by using either direct or indirect measurement devices or techniques to measure the patient's glottis aperture and tracheal length. The apparatus may include a maneuverable arm, a fiber optic video guidance system and an introducer guide to maneuver an end of the apparatus around obstructions in a patient who has a difficult airway to facilitate insertion of either an optimally sized endotracheal tube or a standard endotracheal tube into the patient's airway.

The invention discloses a difficult-airway three-dimensional reconstruction method based on MRI and an application. Based on an upper airway MRI scanning picture, and through combining reverse engineering software, three-dimensional digital models of a real upper airway and a surrounding structure are reconstructed. The upper airway and the surrounding structure and form can be accurately displayed. A certain amount of load analysis can be performed so as to lay the foundation of relevant mechanics and unique measurement analysis. Through the upper-airway three-dimensional digital model, an accurate position of an airway is marked. A mandible length, an angle of mandible and a tooth pharynx sound angle formed by an incisor point, a highest point of a posterior pharyngeal wall and a middlepoint of rima glottidis are measured to predict anatomical differences between a normal airway and a difficult airway so as to achieve comprehensive and accurate quantification of anatomical specificities of the difficult airway.

The invention relates to a method for guidance tracheal intubation of difficult airway, comprising the following steps: inserting a video laryngoscope lens provided with a tracheal intubation guide channel into oral cavity and exposing glottis; introducing a tracheal guild tube core in the glottis through the tracheal intubation guild channel; separating tracheal guide tube core from the trachealintubation guide channel added from the video laryngoscope lens; sheathing the tracheal guide tube in the tracheal guide tube core and inserting the tracheal guide tube into the trachea of human bodyvia the glottis through the tracheal guide tube core under the monitoring of the video laryngoscope; extracting the tracheal guide tube core from the tracheal guide tube under the monitoring of the video laryngoscope; aborting the video laryngoscope lens with the tracheal intubation guide channel from laryngeal. The invention has the advantages of not only increasing the exposition condition of the intubation, but also avoiding damage of organs in guttural part, solving the difficult tracheal intubation under all laryngoscope lenses.

The invention discloses a device capable of intelligently positioning and identifying a throat anatomical structure and a control method thereof. The device comprises a control host machine and a mini-sized moving device; the control host machine is in wireless connection with the mini-sized moving device; a guide thread is connected to the mini-sized moving device, and multiple climbing pawls are installed on the mini-sized moving device. The device enters a mouth through the mini-sized moving device, thus the subsequent cannula operation is carried out by means of the guide thread, the damage of artificial cannula to tooth, throat and other organization structures in the course of exposing glottis by means of a cannula tool can be reduced; meanwhile, the problem that the glottis is hard to expose during the cannula of difficult airway can be solved, the related accident and complication caused by difficult airway are greatly reduced, and every medical staff can complete the trachea cannula technology. The device is applied to medical treatment domain widely.

The invention relates to a sucker-like air way foreign matter extractor which comprises a catheter. A connector used for being connected with an injector or a negative pressure suction device is arranged at the head end of the catheter. A sucker-like film made of a transparent or semi-transparent material is arranged at the tail end of the catheter. The sucker-like film is composed of a film disc and a connecting tube. One or more folds with the diameter slightly smaller than that of the connecting pipe are arranged between the film disc and the connecting pipe. The extractor can be used for conveniently sucking and extracting some air way foreign matter difficult to take out, operation time of air way foreign matter extracting surgery is shortened, and the extractor has the advantages of being simple in structure, easy and convenient to operate, small in operation difficulty, high in practicality and the like.

The invention discloses computer application software and airway management data system for predicting a difficult airway. The computer application software and airway management data system for predicting the difficult airway comprises a medical staff application module and a central control module, and the medical staff application module and the central control module respectively comprise a plurality of units. The software and system have the beneficial effects that the software is based on the intrinsic mechanism of difficult airway formation, and the prediction accuracy is improved; onlya few direct factors for difficult airway formation are reserved, and the tedious multi-factor judgment process is omitted; through the computer graphic computing technology, modeling simulation is achieved, and the detection authenticity is high; through artificial intelligence machine learning of large-sample difficult airway clinical data and difficult airway facial feature data, a difficult airway artificial intelligence prediction model program and a difficult airway facial recognition model program are established respectively, and the prediction performance is further improved; and based on core function model programming and a big data management function, a user can conveniently carry out corresponding clinical application and scientific research work.

The invention discloses tracheal intubation equipment for a patient with a difficult airway. The equipment comprises a cannula, a detection head, an air sac, an auxiliary trachea and an inflatable trachea; the detection head is placed in the cannula, overlaps with a stop block on the inner wall of the cannula, and is connected to an imaging device outside the cannula; the air sac sleeves the outerwall of the cannula; the auxiliary trachea is arranged in the side wall of the cannula, one end of the auxiliary trachea penetrates the end of the cannula, and the other end is connected to a supplydevice; and the inflatable trachea is arranged in the side wall of the cannula, one end of the inflatable trachea enters the air sac, and the other end is connected to an air supply device. Accordingto the equipment, a detection signal is sent to the patient trachea through the detection head, imaging processing is performed on the received reflected signal through the imaging device, and the situation in the patient trachea is displayed by using an image, so that a medical worker can effectively evade clumped neoplasms in the patient trachea during intubation, the cannula can be convenientlyinserted, and the situation that the trachea is damaged can be effectively avoided.

Provided is a novel double-positioning visual device for a tracheal cannula. The device includes a device host mechanism and a displayer, wherein the front half part of the device host mechanism is a J-shaped catheter guide rod which conforms to the arc structure of the human mouth cavity, and the back half part of the device host mechanism is a handle; double-positioning means that the left and right sides of the front end of the J-shaped catheter guide rod are provided with two sets of high definition camera lenses and lighting sources which are arranged in a front-back mode; the upper and lower sides of the front end of the J-shaped catheter guide rod are each provided with a sputum suction port for cleaning the mouth cavity; a supply pipeline port is arranged between the high definition camera lenses and the lighting sources at the front end of the J-shaped catheter guide rod, and used for supplying water or oxygen or medicine; the section of the J-shaped catheter guide rod is in a U shape, and the tracheal cannula is inserted in the airway along the groove bottom of a U-shaped groove. The front end of the novel double-positioning visual device is directly delivered to the position between the airway and the esophagus, so that the glottis is positioned above the front end of the novel double-positioning visual device, which solves the problem that under the condition of a difficult airway, tracheal cannula is difficult to be inserted.

The trachea cannula device comprises a bottom plate and a cannula used for anesthesia breathing in the body of the patient, the left side of the top of the bottom plate is rotationally hinged to an obliquely-arranged head supporting plate through a hinge shaft, and a memory headrest is further arranged on the left side of the head supporting plate; the inclined top end of the head supporting plate is rotationally connected with an inclined neck supporting plate. According to the tracheal intubation device for the patient with the difficult airway in the anesthesia department, the bent body position of the neck of the patient can be adjusted according to the intubation requirement, so that an oral cavity and throat channel and a tracheal channel in the chest cavity of the neck can be oppositely located on the same straight line, and it is guaranteed that follow-up intubation is safely and smoothly conducted; and the risk that the trachea channel in the body of the patient is easily damaged due to unsmooth intubation caused by difficulty in self-control of the bent body position of the neck of the patient in the intubation process in the past is also avoided.

The invention relates to a difficult airway evaluation method and device based on deep learning voiceprint recognition. The method comprises the following steps: acquiring voice data of a patient; performing feature extraction on the voice data to obtain acoustic features, voiceprint features and voice recognition features; and constructing a difficult airway classifier based on the voice technology, analyzing the extracted acoustic features, voiceprint features and voice recognition features through the trained difficult airway classifier, and scoring the severity of the difficult airway to obtain an evaluation result of the difficult airway. According to the method, early warning can be accurately carried out on difficult airways in clinical anesthesia.

The invention discloses an endotracheal intubation device and a control method thereof. The device adopts a tracheal catheter carrier, an extended guide wire, an upper esophageal opening locator, a tissue spreader and an oral opening fixer. The device can replace the use of a laryngoscope in the aspect of clinical application, can be wound to the rear of the epiglottis to clearly see the glottis through a display screen, and then accurately inserts a tracheal catheter into the trachea through control of a lifting structure, wherein the upper esophageal opening positioning catheter connected tothe front end of the device can prevent the occurrence of dangerous conditions such as regurgitation and aspiration. The device not only can reduce the damage to vocal cords and epiglottis tissues caused by repeated tracheal intubation, but also can reduce the occurrence of oxygen depletion, regurgitation and aspiration and other damage to patients caused by long-time tracheal intubation, therebyimproving the success rate of tracheal intubation, facilitating the operation of tracheal intubation of difficult airways and reducing the tissue damage rate of the tracheal intubation of difficult airways.

The invention discloses a visual airway tube-changing device, which comprises a tube-changing conduit and a trachea cannula, a first air bag is mounted around a near-end side wall of the tube-changing conduit, and the first airbag is connected to a first aerating device disposed at a distal end of the tube-changing conduit through a first inflation tube; the tube-changing conduit is sleeved inside the tracheal cannula, a second airbag is mounted at a near-end side wall surrounding the trachea cannula, a second airbag is connected to a second aerating device disposed at the distal end of the trachea cannula through a second inflation tube; a camera provided with a cold light source is mounted at the near end of the tube-changing conduit, and the camera and the cold light source are connected to a display disposed at the distal end of the tube-changing conduit through power lines. The device utilizes a visualization technology to clearly observe the oral cavity and the throat structure, quickly and effectively establishes an emergency artificial airway, and guides the replacement of the tube-changing conduit, reduces airway damage, effectively solves the problem of uncertainty difficult airway, and protects ventilation safety.

The invention discloses a thin lens video laryngoscope and a flexible tracheal catheter, and belongs to the technical field of medical instruments. The thin lens video laryngoscope comprises a displayscreen, a lens handle and a lens, and the lens handle is internally provided with an illuminator, a camera device, a switch, a battery and a charging interface, and the lens is a hollow thin plate bent according to the physiological curvature of the oral cavity, tongue and throat; the lens is internally and sequentially provided with an optical fiber channel, a suction channel and a flexible tracheal catheter channel; the cross section of the flexible tracheal catheter channel is elliptical, the outer side wall of the flexible tracheal catheter channel is provided with an opening, and the opening is provided with a polyester belt; an air inflation bag is arranged at the portion, 1cm distant from the front end face, of the outer surface of the front end of the lens and provided with an airinflation pipe I. According to the thin lens video laryngoscope, the tracheal intubation operation is conducted more conveniently, and the tracheal intubation in a difficult airway with the opening degree of only about 0.5 cm can be simpler and more accurate.

The invention provides a visible trachea cannula hard lens for airway surface anesthesia. The visible trachea cannula hard lens is characterized by comprising a display, a hard lens handle, a high-pressure bottle and a stainless steel tube. The high-pressure bottle is arranged in the hard lens handle, and a camera shooting unit and a spray head are arranged at the front end of the stainless steeltube; the high-pressure bottle is filled with local anesthesia liquid medicine and high-pressure gas, a bottle valve is arranged at the bottom end of the high-pressure bottle, and the high-pressure bottle can be installed in a medicine bin of the hard lens handle; a local anesthesia liquid medicine conveying pipeline is arranged in the stainless steel tube, one end of the local anesthesia liquid medicine conveying pipeline is connected with the spray head, and the other end of the local anesthesia liquid medicine conveying pipeline is connected with the bottle valve through a tail pipe; and aspraying key is arranged at the front end of the hard lens handle, and the gas in the high-pressure bottle can be triggered by pressing the spraying key to push the local anesthesia liquid medicine tobe sprayed out through the spray head. The visible trachea cannula hard lens can perform surface anesthesia on any part in a visible range, enables an anesthesia effect to be accurate, reliable and controllable, is especially suitable for trachea cannula operation of difficult airway patients with poor head and neck mobility, head and neck trauma, small mouth opening degree, obesity, short neck,high glottis and the like, can be operated by a single person and is low in manufacturing cost.

The invention discloses a multi-mode AI tracheal intubation navigation device for a difficult airway. The multi-mode AI trachea cannula navigation device comprises a rectangular frame body, a display screen is arranged at the middle position of one side of the rectangular frame body, a connecting line is arranged at one end of the front face of the display screen, a camera is arranged at one end of the connecting line, mounting blocks are arranged on the two sides of the top of the rectangular frame body, bidirectional threaded rods are arranged at the ends, close to each other, of the two mounting blocks, connecting rods are symmetrically arranged at the two ends of the outer sides of the two groups of bidirectional threaded rods, and supporting plates are arranged at the bottoms of the two groups of connecting rods. Through cooperation of the supporting plates, the connecting rods, the bidirectional threaded rods and the mounting blocks, the device can be well fixed to the mouth of a patient, meanwhile, the mouth of the patient can be effectively supported, fatigue of the mouth of the patient can be relieved in the intubation process of the patient, the patient can feel more comfortable, the cramp phenomenon of the patient is prevented, and the pipe biting condition is avoided.

The invention discloses a tracheal intubation device and a method thereof for a difficult airway. The tracheal intubation device comprises a first fixing plate, a second fixing plate and an intubation assembly arranged above the first fixing plate, and guide rods are fixedly connected to a left side and a right side of a back of the first fixing plate. The invention relates to the technical field of tracheal intubation auxiliary equipment. According to the tracheal intubation device and the method thereof, through arrangement of the first fixing plate, the second fixing plate, a limiting plate, a second lead screw, a moving plate, an elastic limiting mechanism and a clamping plate, the temples and the lower jaw of the head of a patient are fixed, and under cooperative arrangement of guide rods, a linkage plate and a first lead screw, a distance between the first fixing plate and the second fixing plate can be adjusted, so that the device can limit and fix heads of different sizes, a mouth positioning mechanism is directly fixed on the device, hands of doctors can be liberated, convenient conditions are provided for follow-up intubation of the doctors, and intubation efficiency and quality are guaranteed.

The invention relates to a rotary human body difficult airway detection instrument, which is characterized by comprising a measuring module, a transmission module, a display module, a rotary module, a support module, an encapsulation module and screws, wherein the screws are used for fixedly connecting parts; the rotary module is fixed to a base (2) arranged in the support module through the screws; the lower part of a lead screw (27) of the transmission module is fixed to a support plate (28) of the support module; a first bevel gear (4) arranged at the lower part of the lead screw (27) and a second bevel gear (31) of the rotary module can be mutually engaged; and a lead screw cap (9) arranged in the lead screw (27) is connected with a lower support plate (10) of the measuring module. The bevel gear of the rotary module can be engaged with the bevel gear of the transmission module, so that the lead screw of the transmission module rotates; when the lead screw rotates, the measuring module can vertically move in the vertical direction through the lead screw cap and a linear bearing; and the display module can display the number of rotating circles of the lead screw.

The invention relates to a difficult airway evaluation method and device based on artificial intelligence. The method comprises the following steps: acquiring facial images of various postures; constructing a feature extraction network based on facial recognition, and extracting feature information of the facial image through the trained feature extraction network; and constructing a difficult airway classifier based on a machine learning algorithm, and performing difficult airway severity scoring on the extracted feature information of the facial image through the trained difficult airway classifier to obtain an evaluation result of the difficult airway. According to the invention, early warning can be accurately carried out on difficult airways in clinical anesthesia.

The invention relates to the technical field of intubation devices, in particular to a difficult airway trachea intubation device. The device comprises a mounting bottom block; a protective mask is fixedly connected to the top end of the mounting bottom block; an insertion air tube is inserted into the middles of the inner sides of the protective mask and the mounting bottom block; limiting insertion rods are symmetrically inserted into the two sides of the top end of the protective mask; the top ends of the limiting insertion rods are fixedly connected to the middles of the bottom ends of second pull rods; the top ends of the inner sides of the second pull rods are fixedly connected to the middles of the outer sides of second sliding blocks; the second sliding blocks slide on the outer walls of second sliding rods; and the second sliding rods are fixedly connected to the middles of the inner walls of second open grooves. According to the device, the position of the insertion air tube can be more conveniently and stably limited, and meanwhile, the limiting mounting block and the protective mask can be more stably mounted, so that the practicability of the device in a using process is ensured, and the working efficiency of the device in the using process is improved.

The invention discloses a thin lens video laryngoscope and a flexible tracheal catheter, and belongs to the technical field of medical instruments. The thin lens video laryngoscope comprises a displayscreen, a lens handle and a lens, and the lens handle is internally provided with an illuminator, a camera device, a switch, a battery and a charging interface, and the lens is a hollow thin plate bent according to the physiological curvature of the oral cavity, tongue and throat; the lens is internally and sequentially provided with an optical fiber channel, a suction channel and a flexible tracheal catheter channel; the cross section of the flexible tracheal catheter channel is elliptical, the outer side wall of the flexible tracheal catheter channel is provided with an opening, and the opening is provided with a polyester belt; an air inflation bag is arranged at the portion, 1cm distant from the front end face, of the outer surface of the front end of the lens and provided with an airinflation pipe I. According to the thin lens video laryngoscope, the tracheal intubation operation is conducted more conveniently, and the tracheal intubation in a difficult airway with the opening degree of only about 0.5 cm can be simpler and more accurate.

The invention discloses an injection oxygen supply emergency trolley. The injection oxygen supply emergency trolley comprises an airway trolley main body, wherein an oxygen source device is arranged on the airway trolley main body. The injection oxygen supply emergency trolley further comprises an injection oxygen supply electromagnetic valve and an injection oxygen supply controller, wherein theinjection oxygen supply controller controls the on-off of the injection oxygen supply electromagnetic valve; and an air inlet of the injection oxygen supply electromagnetic valve is connected with theoxygen source device, and an air outlet of the injection oxygen supply electromagnetic valve is connected with an oxygen supply pipe. The injection oxygen supply emergency trolley has the advantage that open type injection ventilation oxygen supply can be carried out on the basis of the conventional continuous and constant oxygen supply of a difficult airway emergency trolley, and thus differentoxygen supply modes can be selected according to disease conditions of patients; and the injection oxygen supply emergency trolley is suitable for emergency airway treatment, such as cricothyroid membrane paracentesis, emergency intubation of the difficult airway, nasopharyngeal ventilation, and ventilation oxygen supply for airway suction.

The invention discloses a tracheal intubation device for a difficult airway patient in anesthesia department, which belongs to the technical field of medical instruments. The device comprises a lifting mounting assembly, a rotating assembly, an intubation assembly and an oral cavity expansion assembly, the intubation assembly comprises a trachea cannula, a movable intubation part and an intubationlighting part, the trachea cannula is vertically arranged on the rotating assembly, the movable intubation part is arranged on the rotating assembly, the intubation lighting part is arranged on the trachea cannula, and the oral cavity expansion assembly is arranged on the lifting installation assembly. The rotating motor works to drive the rotating gear to rotate; the rotating gear rotates to drive the rotating fluted disc to rotate on the trachea cannula; a rotating fluted disc rotates to drive an illuminating lamp belt to rotate to illuminate the trachea of the patient so as to illuminate the intubation of the patient, so that the pain of the patient caused by the trachea intubation entering the trachea of the patient when foreign matters and lumpy neoplasm exist in the trachea of the patient for intubation is prevented.

The embodiment of the invention provides a method for detecting a difficult airway. The method comprises the following steps: carrying out acoustic feature extraction and voice activity detection on voice audio of a user; carrying out average pooling processing on the extracted acoustic features to obtain a first embedded vector; inputting the sound production frame after activity detection into a deep speaker model used for representing a speaker of the difficult airway to obtain a second embedded vector representing the difficult airway; and inputting the first embedded vector and the second embedded vector into a support vector machine to detect the difficult airway. The embodiment of the invention further provides a detection system for the difficult airway. The embodiment of the invention realizes the detection of the difficult airway based on the voice technology. The problems that a traditional method is tedious, high in professional requirement and not accurate enough are solved. The speaker embedding well characterizes the physical structure of the airway. The voice signal is convenient to transmit, so that the user can detect only by using edge equipment, and the detection of the user is greatly facilitated.

The invention discloses a trachea intubation device for a patient with a difficult airway in the anesthesiology department and a method of the trachea intubation device, and relates to the technical field of airway intubation. According to the trachea intubation device for the patient with the difficult airway in the anesthesia department and the method of the trachea intubation device, by rotating a second lead screw, a top cover and a guide groove are put into the mouth of the patient through the second lead screw, at the same time, a rotating ring rotates, the rotating ring rotates outside the second lead screw, and a moving rod opens the top cover and the guide groove in the mouth of the patient; the guide groove and the top cover can guide a cannula to enter the trachea of the patient, the rotating ring is rotated outside the second lead screw, the moving rod opens the top cover and the guide groove in the mouth of the patient, organs in the oral cavity of the patient are pinned open, the cannula is made to pass through the guide groove, and the cannula is inserted into the trachea of the patient. The trachea of the patient is protected from damage caused by overexertion of intubation, an ejector block is moved by moving the ejector block, the trachea of the patient is raised upwards, the trachea of the patient is made to be straight, and the working efficiency of intubation is improved.